jsbarcode2/bin/barcodes/EAN_UPC/EAN2.js

JsBarcode is a customizable barcode generator with support for multiple barcode formats.

"use strict";

Object.defineProperty(exports, "__esModule", {
	value: true
});

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _ean_encoder = require("./ean_encoder.js");

var _ean_encoder2 = _interopRequireDefault(_ean_encoder);

var _Barcode2 = require("../Barcode.js");

var _Barcode3 = _interopRequireDefault(_Barcode2);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } // Encoding documentation:
// https://en.wikipedia.org/wiki/EAN_2#Encoding

var EAN2 = function (_Barcode) {
	_inherits(EAN2, _Barcode);

	function EAN2(data, options) {
		_classCallCheck(this, EAN2);

		var _this = _possibleConstructorReturn(this, (EAN2.__proto__ || Object.getPrototypeOf(EAN2)).call(this, data, options));

		_this.structure = ["LL", "LG", "GL", "GG"];
		return _this;
	}

	_createClass(EAN2, [{
		key: "valid",
		value: function valid() {
			return this.data.search(/^[0-9]{2}$/) !== -1;
		}
	}, {
		key: "encode",
		value: function encode() {
			var encoder = new _ean_encoder2.default();

			// Choose the structure based on the number mod 4
			var structure = this.structure[parseInt(this.data) % 4];

			// Start bits
			var result = "1011";

			// Encode the two digits with 01 in between
			result += encoder.encode(this.data, structure, "01");

			return {
				data: result,
				text: this.text
			};
		}
	}]);

	return EAN2;
}(_Barcode3.default);

exports.default = EAN2;